40457456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{194507}}^1$

素因数の和:194528

約数の個数: 20

約数和(自身を含む): 84416472

約数和(自身を除く): 43959016

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 194507, 389014, 778028, 1556056, 2528591, 3112112, 5057182, 10114364, 20228728, 40457456]

約数ペア:

[(1, 40457456), (2, 20228728), (4, 10114364), (8, 5057182), (13, 3112112), (16, 2528591), (26, 1556056), (52, 778028), (104, 389014), (208, 194507)]